Sonoelectrochemical Synthesis of Antibacterial Active Silver Nanoparticles in Rhamnolipid Solution

Table 2

Antibacterial properties of colloidal solutions of silver nanoparticles synthesized by the sonoelectrochemical method and stabilized with rhamnolipid solution.

Species of bacteria	Exposure time (h)	Quantity CFU (cm^3)	Bactericidal action	Percentages of inhibition (%)
S. aureus ATCC 25923 (F-49)	1	230	−	0
	6	60	−	73.9
	18	Not found	+	100
	48	Not found	+	100
E. coli ATCC 25922 (F-50)	1	110	−	0
	6	Not found	+	100
	18	Not found	+	100
	48	Not found	+	100

CFU, colony-forming units; +, pronounced antimicrobial (disinfecting) effect (no growth of microorganisms); −, no antimicrobial (disinfectant) action (available growth of microorganisms).